Obsidian dev-16.13 wins Middle Class Engines Tournament (Tests by Jörn Gronemann, 2025.06.25)

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Obsidian dev-16.13 wins another Middle Class Engines Tournament. In second place the Integral 7.0.0 JA chess engine and in third place Stormphrax 7.0. More results soon.

GPU NVIDIA  RTX 3060 ti. GUI-Banksia, For Every Engine only 1 CPU and 512 Hashtables, Book - 4 GM mvs book,  6TBs.

🕒🕒Time 3'+3"  Tournament download with 528 games
💾 All games CEDR 664.406 games download (01.06.2025)  
@chessenginesdiary

P Engine Score (Tie) +/-/=
1: Obsidian dev-16.13 49.5 / 88 2116.75 (+12 -1 =75)
2: Integral 7.0.0 JA 47.5 / 88 2044.25 (+11 -4 =73)
3: Stormphrax 7.0 47.0 / 88 2041.75 (+7 -1 =80)
4: PlentyChess 6.0.5 JA 47.0 / 88 2030.50 (+9 -3 =76)
5: Alexandria 8.0.0 JA 46.5 / 88 2026.50 (+6 -1 =81)
6: Caissa 1.22.1 46.0 / 88 1998.50 (+7 -3 =78)
7: Berserk 20250606 46.0 / 88 1990.25 (+7 -3 =78)
8: Motor 0.9.0 43.5 / 88 1871.00 (+8 -9 =71)
9: RubiChess 20250606 JA 43.0 / 88 1872.00 (+5 -7 =76)
10: Starzix 6.1 JA 42.0 / 88 1845.75 (+2 -6 =80)
11: Horsie 1.1.0 40.0 / 88 1756.00 (+3 -11 =74)
12: Halogen 13.0.0 JA 30.0 / 88 1346.75 (+0 -28 =60)



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